On Sun, 7 Feb 2021 16:52:51 +0100
Florian Zieboll via Dng <dng@???> wrote:

> I will leave the 'xinput' sources where they are and rather use some
> spare time to see if I can can get any useful information out of
> 'gdb'. If I succeed, I promise to report to the list



For the record, here the diff of gdb's (uniq'ed) output for enabling
resp. disabling my pointing device:


$ diff gdb_0-1.txt gdb_1-0.txt
2c2
< Starting program: /usr/bin/xinput --set-prop 10 148 1
---
> Starting program: /usr/bin/xinput --set-prop 10 148 0
526c526
< __GI_atoi (nptr=0x7fffffffe4b4 "1") at atoi.c:27
---
> __GI_atoi (nptr=0x7fffffffe4b4 "0") at atoi.c:27
528c528
< __strtol (nptr=0x7fffffffe4b4 "1", endptr=endptr@entry=0x0, base=base@entry=10) at ../stdlib/strtol.c:106
---
> __strtol (nptr=0x7fffffffe4b4 "0", endptr=endptr@entry=0x0, base=base@entry=10) at ../stdlib/strtol.c:106
530c530
< __GI_____strtol_l_internal (nptr=0x7fffffffe4b4 "1", endptr=endptr@entry=0x0, base=base@entry=10, group=group@entry=0, loc=0x7ffff7825560 <_nl_global_locale>) at ../stdlib/strtol_l.c:252
---
> __GI_____strtol_l_internal (nptr=0x7fffffffe4b4 "0", endptr=endptr@entry=0x0, base=base@entry=10, group=group@entry=0, loc=0x7ffff7825560 <_nl_global_locale>) at ../stdlib/strtol_l.c:252
771c771
< [Inferior 1 (process 18243) exited normally]
---
> [Inferior 1 (process 18210) exited normally]


So Steve has been proven right, that 'xinput' acts directly on the RAM
- at least for my precious trackball -_-

libre Grüße,
Florian